The Sealevel Systems COMM+8 provides the PC with eight RS-232 Asynchronous ports for terminals, data collection and other devices. This product includes extended “AT” interrupts, extended address range for UNIX, XENIX and QNX compatibility, and an interrupt status port for greater data throughput. Set each port to a separate interrupt or share a single interrupt across multiple ports under Windows. We include our Advanced COM drivers for Windows 95/98/ME/NT/2000 and XP providing IRQ sharing, Windows serial diagnostics, and other enhanced features. Our Linux and QNX utilities are also included to simplify installation.

8 PORT ISA RS-232 Back to 8 Port

View The 3420 User Manual (PDF) Download The Serial Utility Disk

• All modem control signals implemented
• Onboard interrupt status port for Windows flexibility
• Occupies 64 consecutive I/O locations user selectable as: consecutive with DIP-switch or customizable with PAL option
• Sharable IRQ level (2-5, 7, 10-12 and 15)
• 16554 buffered UART standard
• Full array of enhanced UART options
• SeaCOM™ software included for DOS interrupt buffering
• Compatible with DOS, Linux, QNX, Windows 3.1x/95/98/ME/NT/2000/XP, and other operating systems
• Windows NT installation utility for simple set-up
• Includes Windows Advanced COM: drivers, utilities, INF files and help files to simplify installation